Beşiktaş are keeping tabs on HSV midfielder Tolgay Arslan according to Eurosport Turkey.
Arslan’s contract with Hamburg runs out at the end of the season and he will be enter to enter direct talks with other clubs if he does not renew his current deal.
The hard-working midfielder is unlikely to extend his current deal with Hamburg.
Galatasaray have also been closely linked with Arslan and are reported to be preparing a pre-contract offer in January if Hamburg reject the Lions bid in January.
Arsenal are also reported to be interested in the 24-year-old midfielder.
The Germany and Turkey U20 international moved to Hamburg from Dortmund in 2009 on a free transfer.
The hard working midfielder can represent either Turkey or Germany at international level but has vowed to play for the Crescent-Stars.
Arslan has made 15 appearances in all competitions for the Bundesliga outfit this season.